Add image manipulation nodes and additional LLM integrations
Added 22 image manipulation nodes organized into 3 categories:
- Image/Blend (5 nodes): Blend Images, Color Adjust, Color Ramp, Levels, Split Toning
- Image/Effects (11 nodes): Blur, Sharpen, Color Filter, Invert, Posterize, Pixelate, Grain, Vignette, Chromatic Aberration, Glare, Edge Enhance
- Image/Transform (6 nodes): Rotate, Scale, Crop, Flip, Transform, Translate
Added LLM integration nodes:
- Claude API integration
- OpenAI API integration
- Gemini API integration
Added S3 upload functionality with support for AWS S3 and R2.
Fixed module loading issues:
- Pre-load utils.image_utils to prevent ComfyUI's utils module from shadowing
- Fixed round_robin_node to lazily create state directory
- Added debug logging for troubleshooting
- Alphabetically organized all nodes and categories
All image nodes use existing PIL/Pillow + numpy dependencies with no additional requirements.